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对甲硫氨酸-65位点修饰的真核细胞色素c的结构研究。

Structural studies of eukaryotic cytochrome c modified at methionine-65.

作者信息

Boswell A P, Moore G R, Williams R J, Wallace C J, Boon P J, Nivard R J, Tesser G I

出版信息

Biochem J. 1981 Feb 1;193(2):493-502. doi: 10.1042/bj1930493.

Abstract

1H n.m.r. spectra were recorded in both oxidation states for the following species: tuna cytochrome c, tuna [carboxymethylmethionine-65]cytochrome c, horse cytochrome c and horse [homoserine-65]cytochrome c. The experiments give the assignments of the singlet methyl resonances of methionine-65 and the N-terminal acetyl group. The modification at methionine-65 is shown to cause an extremely small structural perturbation to one part of the molecule close to the site of modification.

摘要

记录了以下物种在两种氧化态下的1H核磁共振谱:金枪鱼细胞色素c、金枪鱼[羧甲基甲硫氨酸-65]细胞色素c、马细胞色素c和马[高丝氨酸-65]细胞色素c。实验给出了甲硫氨酸-65的单峰甲基共振和N端乙酰基的归属。结果表明,甲硫氨酸-65处的修饰对分子中靠近修饰位点的一部分结构产生了极小的扰动。

相似文献

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The solution structures of tuna and horse cytochromes c.
Eur J Biochem. 1980 Feb;103(3):533-41. doi: 10.1111/j.1432-1033.1980.tb05977.x.

本文引用的文献

1
Nuclear-magnetic-resonance studies of eukaryotic cytochrome c. Assignment of resonances of aliphatic amino acids.
Eur J Biochem. 1980 Feb;103(3):503-12. doi: 10.1111/j.1432-1033.1980.tb05974.x.
2
Nuclear-magnetic-resonance studies of eukaryotic cytochrome c. Assignment of resonances of aromatic amino acids.
Eur J Biochem. 1980 Feb;103(3):493-502. doi: 10.1111/j.1432-1033.1980.tb05973.x.
3
Alkylation of cytochromes c. II. Carboxymethylation of beef and human cytochromes c in the oxidized and reduced forms.
Biochim Biophys Acta. 1966 May 5;118(2):256-67. doi: 10.1016/s0926-6593(66)80034-6.
8
Proton magnetic resonance studies of horse cytochrome c.马细胞色素c的质子磁共振研究。
Biochemistry. 1973 Aug 14;12(17):3170-86. doi: 10.1021/bi00741a006.
9
Pulsed NMR study of the structure of cytochrome c.细胞色素c结构的脉冲核磁共振研究。
Cold Spring Harb Symp Quant Biol. 1972;36:405-11. doi: 10.1101/sqb.1972.036.01.052.

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